Home / 3,569,830.20-5,346,872.10-2,147,405.40

Finding the Fourth Proportional to 3,569,830.20, 5,346,872.10 and 2,147,405.40

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Solution

The fourth proportional to 3,569,830.20, 5,346,872.10 and 2,147,405.40 is: 3,216,372.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569,830.20 : 5,346,872.10 = 2,147,405.40 : x
  2. Step 2: Convert to fraction form
    3,569,830.20/5,346,872.10 = 2,147,405.40/x
  3. Step 3: Cross multiply
    3,569,830.20x = 5,346,872.10 × 2,147,405.40
  4. Step 4: Simplify right side
    3,569,830.20x = 11,481,902,020,649.34
  5. Step 5: Solve for x
    x = 11,481,902,020,649.34/3,569,830.20
  6. Step 6: Final answer
    x = 3,216,372.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.